New York State Ranking System for Evaluating Non-Native Plant ...

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NYS Score, distribution in the PRISM and likelihood of spread are used to assign aninvasiveness rank to the species for that PRISM. Invasiveness ranks for a PRISM may be thesame as or lower than the NYS rank, but cannot be higher.The Long Island Invasive Species Management Area (LIISMA) was the first PRISM to use theranking forms. Changes to the forms were frequent during the first years of use (2008-2009). Asof this writing, the most recent NYS “form version date” is April 29, 2011 and the most recentPRISM “form version date” is April 13, 2009. Species assessed during the first months of 2008have been updated to at least the August 22, 2008 version of the NYS form.PROCESS FOR SPECIES ASSESSMENT AND REVIEW ON LONG ISLAND:Staff of the Brooklyn Botanic Garden completed the initial plant species assessments for NewYork State and for LIISMA with funding provided by The Nature Conservancy. Informationsources used included published literature, unpublished reports, the NYS Flora Atlas, andobservations of qualified botanists, ecologists and taxonomic experts from across NYS andbeyond. Assessment forms were reviewed, edited and approved by the Scientific ReviewCommittee (SRC), which was established by the LI Invasive Species Management Area inMarch 2008. The SRC was composed of diverse and qualified stakeholders from 13organizations, agencies and educational institutions. Representatives from four additionalorganizations and agencies participated as visiting experts on an occasional basis.Voting Members of the LIISMA Scientific Review Committee 2008—2010Marilyn Jordan Ph.D. (Chair)Gerry Moore Ph.D. (Vice Chair)Dwight Andrews/ Ellen TalmageTim Green Ph.D.Jonathan Lehrer Ph.D.Gary LawtonAllan LindbergJordan Raphael / M. BileckiAndrew Senesac Ph.D. / Tamson YehCharles ScheerKathy SchwagerBill Titus/ Margaret ConoverPolly WeigandVisiting Experts (non-voting)Andrew Greller Ph.D.Steve YoungCharles O'Neill/ Robert KentThe Nature Conservancy, Long Island, NYBrooklyn Botanic GardenLong Island Nursery & Landscape Association / NYS FlowerIndustryBrookhaven National LaboratoryFarmingdale State College (SUNY); Ornamental HorticultureNew York State Office of Parks, Recreation, PreservationNassau County Department of Parks, Recreation & MuseumsFire Island National Seashore (US National Park Service)Cornell Cooperative Extension Suffolk Co.; Long IslandHorticultural Research & Extension CenterNYS Farm BureauLong Island Weed Information Management System databasemanager for LIISMALong Island Botanical SocietySuffolk County Soil and Water Conservation DistrictProfessor Emeritus in Biology, Queens College (CUNY)New York Natural Heritage ProgramNew York Sea Grant4
In 2011 SRC membership changed and 12 organizations, agencies and educational institutionswere represented.Voting Members of the LIISMA Scientific Review Committee 2011—2012Marilyn Jordan Ph.D., ChairJonathan Lehrer Ph.D. (Vice-Chair)Steven GlennDwight AndrewsNora Catlin Ph.D.Allan LindbergKathy SchwagerCharles ScheerAndrew Senesac Ph.D.Bill TitusPolly WeigandSteve YoungVisiting Expert (non-voting)Andrew Greller Ph.D.The Nature Conservancy, Long Island, NYFarmingdale State College (SUNY); Ornamental HorticultureBrooklyn Botanic GardenLong Island Nursery and Landscape AssociationCornell Cooperative Extension, FloricultureCurator Natural Science (Retired); Nassau Co. MuseumBrookhaven National LaboratoryNYS Farm BureauCornell Cooperative Extension; Long Island HorticulturalResearch & Extension CenterLong Island Botanical SocietySuffolk County Soil and Water Conservation DistrictLIISMA Coordinator and NY Natural Heritage ProgramProfessor Emeritus in Biology, Queens College (CUNY)SRC meetings were usually held twice a month from March 2008 through March 2010 for a totalof 42 meetings and 175 species assessed. At most meetings four to six species were reviewed,revised, and either approved or postponed until essential missing information could be obtained.In 2011—2012 seven additional meetings were held and 10 new species were assessed. Futuremeetings will be held on an “as needed” basis to assess new species, or to revisit previouslyassessed species in light of new information that could change a species’ invasiveness rank.RESULTS FOR NEW YORK AND PRISMSAll species assessments were unanimously approved by the LIISMA SRC. Of the 185 speciesassessed 69 were ranked invasive (High or Very High) for New York State and 64 were rankedinvasive for LIISMA. In 2012 the Adirondack Park Invasive Plant Program (APIPP) began usingthe PRISM ranking form to assess nonnative plant species for invasiveness in their region. Of the17 species assessed 15 were ranked invasive for NYS and 14 were ranked invasive for APIPP.Additional species will be assessed in the coming year.PROCESS FOR SPECIES ASSESSMENT AND REVIEW BY NEW YORK STATE:NYS species assessment forms are available on the NY Invasive Species Information website(http://www.nyis.info/index.php?action=israt). Botanists and other experts in all PRISMs areinvited to provide feedback. Forms are revised by BBG and TNC when appropriate based onnew information and opinions. In the few cases where a species’ invasiveness rank would5
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New York State Ranking System for Evaluating Non-Native Plant ...

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